21291220 (number)

21291220 is an even 8-digits composite number following 21291219 and preceding 21291221. In scientific notation, it is written as 2.1291220 × 10^7. The sum of its digits is 19. It has a total of 5 prime factors and 24 positive divisors. There are 8222592 positive integers (up to 21291220) that are relatively prime to 21291220.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand two hundred twenty

Notation

Scientific notation 2.1291220 × 10^7
Engineering notation 2.1291220 × 10^6

Prime Factorization of 21291220

Prime Factorization 2 × 2 × 5 × 29 × 36709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10645610
Product of the distinct prime numbers

The prime factorization of 21291220 is 2 × 2 × 5 × 29 × 36709. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 7, 46, 58, 757, 913, 4484, 6585, 72749, 54787, 508515, 254776, 4607572, 4383100, 29303906, 1595277, 872876004, 54044279, 2190090877, 9283822090

Basic calculations (n = 21291220)

Multiplication

n×y
n×2 42582440
n×3 63873660
n×4 85164880
n×5 106456100

Division

n÷y
n÷2 10645610
n÷3 7097073.3333333
n÷3 5322805
n÷5 4258244

Exponentiation

ny
n2 453316049088400
n3 9.6516517306719E+21
n4 2.0549544036112E+29
n5 4.3752486297254E+36

Nth Root

y√n
2√n 4614.2409993411
3√n 277.16189105517
4√n 67.928204741043
5√n 29.217301993677

Divisors of 21291220

1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36709, 73418, 146836, 183545, 367090, 734180, 1064561, 2129122, 4258244, 5322805, 10645610, 21291220

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21291219
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21291220 can be divided by 24 positive divisors. The sum of these divisors (counting 21291220) is 1, the average is 0.041666666666667.

Base conversion 21291220

Base System Value
2 Binary 1010001001110000011010100
3 Ternary 1111001201001201
4 Quaternary 1101032003110
5 Quinary 20422304340
6 Senary 2040202244
8 Octal 121160324
10 Decimal 21291220
12 Duodecimal 7169384
16 Hexadecimal 144e0d4
20 Vigesimal 6d1810
36 Base36 coces

Cryptographic Hash Functions

md5 efcf33f1fbee49564f72bff24670b49d
sha1 d2933024d88f9ce741f0f6c37789c21ad57da56f
sha256 5ad4a35cf7d95db7971adb83b128d5a5dfbd1883f23d85a90206abef4c1eda93
sha512 effb9e70534295c07d2b940b35479eb28bc300123c83862d6b4694fa10198a97a8a5eadf6bbc427848073e38cebbdc8568838429b7e158d723c046d9d86f6d83
ripemd-160 07130f5b93b58529509d7a38c84170323f58d7e1

21291220 as geometric shapes

Circle

Radius = n
Diameter 42582440
Circumference 133776680.67593
Area 1.4241343695705E+15

Sphere

Radius = n
Volume 4.0428744229448E+22
Surface area 5.6965374782819E+15
Circumference 133776680.67593

Square

Length = n
Perimeter 85164880
Area 453316049088400
Diagonal 30110332.083469

Cube

Length = n
Surface area 2719896294530400
Volume 9.6516517306719E+21
Space diagonal 36877474.795127

Equilateral Triangle

Length = n
Perimeter 63873660
Area 1.9629160722687E+14
Altitude 18438737.397563

Triangular Pyramid

Length = n
Surface area 1.9629160722687E+14
Volume 1.1374580647348E+21
Height 10036777.361156